170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
43 lines
850 B
Python
43 lines
850 B
Python
#!/usr/bin/env python
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# Author: Brendan Le Foll <brendan.le.foll@intel.com>
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# Copyright (c) 2014 Intel Corporation.
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#
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# SPDX-License-Identifier: MIT
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#
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# Example Usage: Triggers ISR upon GPIO state change
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import mraa
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import time
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import sys
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class Counter:
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count = 0
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c = Counter()
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# inside a python interrupt you cannot use 'basic' types so you'll need to use
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# objects
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def isr_routine(gpio):
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print("pin " + repr(gpio.getPin(True)) + " = " + repr(gpio.read()))
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c.count += 1
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# GPIO
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pin = 6;
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try:
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# initialise GPIO
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x = mraa.Gpio(pin)
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print("Starting ISR for pin " + repr(pin))
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# set direction and edge types for interrupt
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x.dir(mraa.DIR_IN)
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x.isr(mraa.EDGE_BOTH, isr_routine, x)
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# wait until ENTER is pressed
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var = raw_input("Press ENTER to stop")
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x.isrExit()
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except ValueError as e:
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print(e)
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